foundationdb/flow/FileTraceLogWriter.h

92 lines
2.6 KiB
C++

/*
* FileTraceLogWriter.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FLOW_FILE_TRACE_LOG_WRITER_H
#define FLOW_FILE_TRACE_LOG_WRITER_H
#pragma once
#include "flow/Arena.h"
#include "flow/FastRef.h"
#include "flow/Trace.h"
#include <functional>
struct IssuesListImpl;
struct IssuesList final : ITraceLogIssuesReporter, ThreadSafeReferenceCounted<IssuesList> {
IssuesList();
~IssuesList() override;
void addIssue(std::string const& issue) override;
void retrieveIssues(std::set<std::string>& out) const override;
void resolveIssue(std::string const& issue) override;
void addref() override { ThreadSafeReferenceCounted<IssuesList>::addref(); }
void delref() override { ThreadSafeReferenceCounted<IssuesList>::delref(); }
private:
std::unique_ptr<IssuesListImpl> impl;
};
class FileTraceLogWriter final : public ITraceLogWriter, ReferenceCounted<FileTraceLogWriter> {
private:
std::string directory;
std::string processName;
std::string basename;
std::string extension;
std::string finalname;
std::string tracePartialFileSuffix;
uint64_t maxLogsSize;
int traceFileFD;
uint32_t index;
Reference<ITraceLogIssuesReporter> issues;
std::function<void()> onError;
void write(const char* str, size_t size);
public:
FileTraceLogWriter(std::string const& directory,
std::string const& processName,
std::string const& basename,
std::string const& extension,
std::string const& tracePartialFileSuffix,
uint64_t maxLogsSize,
std::function<void()> const& onError,
Reference<ITraceLogIssuesReporter> const& issues);
void addref() override;
void delref() override;
void lastError(int err);
void write(const std::string& str) override;
void write(StringRef const& str) override;
void open() override;
void close() override;
void roll() override;
void sync() override;
void cleanupTraceFiles();
};
#endif